National Petroleum Limited(PETRONAS) PETRONAS PETRONAS PETRONAS Ships Classification Malaysia(SCM) Ships Classification Malaysia(SCM) Perakuan Pendaftaran Kontraktor(CIDB) Perakuan Pendaftaran Kontraktor(CIDB) certification of Approval of service supplier(RINA) certification of Approval of service supplier(RINA) Suruhanjaya Syarikat Malaysia (SSM) Suruhanjaya Syarikat Malaysia (SSM) Petroleum Sarawak Berhad(PETROS) Petroleum Sarawak Berhad(PETROS) Management Systems Certification Management Systems Certification
